CN-121986008-A - Production equipment

CN121986008ACN 121986008 ACN121986008 ACN 121986008ACN-121986008-A

Abstract

The production facility (10) is provided with a machine tool (12) capable of machining a workpiece (W) having a size equal to or smaller than a first workpiece size limit, a pallet supply device (16) for receiving a plurality of pallets (P) on which the workpiece (W) is placed and carrying the pallets (P) in and out, a storage device (60) for presetting a second workpiece size limit equal to or smaller than the first workpiece size limit and storing, for each of the plurality of pallets (P), whether or not the size of the workpiece (W) exceeds the second workpiece size limit, and a control device (62) for controlling the pallet supply device (16) so as to avoid mutual interference of the workpieces (W) placed on adjacent pallets (P) based on the information stored in the storage device (60) about the size exceeding the second workpiece size limit.

Inventors

LI YUANZHONG
Taira Takaya
Gu Tianhui

Assignees

株式会社牧野铣床制作所

Dates

Publication Date: 20260505
Application Date: 20240925
Priority Date: 20231004

Claims (7)

1. A production facility is provided with: a machine tool capable of machining an object having a size that is less than or equal to a first object size limit; A pallet supply device that accommodates a plurality of pallets on which the objects to be processed are placed, and carries the pallets on which the objects to be processed are placed into or out of the machine tool; a storage device for presetting at least one second workpiece size limit equal to or smaller than the first workpiece size limit and storing, for each of the plurality of trays, whether or not the size of the workpiece placed on the tray exceeds the second workpiece size limit, and And a control device that controls the tray supply device so as to avoid mutual interference of the workpieces placed on adjacent trays, based on the information on the size exceeding the second workpiece size limit stored in the storage device.
2. The production facility according to claim 1, wherein a first workpiece size is limited to a maximum machining size of the machine tool, a second workpiece size is limited to a maximum workpiece size on a pallet of the workpieces placed on the pallet, and the maximum workpiece size on the pallet is equal to or smaller than the maximum machining size.
3. The production facility according to claim 2, wherein an imaging device for imaging the workpiece placed on the pallet is disposed at a predetermined position of the pallet supply device or on a workpiece preparation device provided adjacent to the pallet supply device.
4. The production facility according to claim 3, wherein the production facility is configured to issue a warning in accordance with whether the size of the object to be processed obtained by the photographing device exceeds the maximum size of the object to be processed on the tray or the maximum processing size, and to notify an operator of a risk of interference with the object to be processed and other constituent members in the production facility.
5. The production facility according to claim 4, wherein the production facility is configured to permit placement of the workpiece exceeding the maximum size of the workpiece on the pallet, when the size of the workpiece exceeds the maximum size of the workpiece on the pallet, according to the judgment of an operator.
6. The production apparatus according to claim 5, wherein the production apparatus is configured to display an image obtained by the photographing device on an operation screen of the machine tool and the tray supply device.
7. The production facility according to claim 6, wherein a plurality of maximum sizes of objects to be processed on the trays are stored in one of the storage devices, and each of the trays is set to any one of the stored maximum sizes of objects to be processed on the trays.

Description

Production equipment Technical Field The invention relates to production equipment. Background In production facilities, in order to efficiently process a large number of objects to be processed, a predetermined object to be processed is usually put on standby in the vicinity of a machine tool. For this reason, a pallet supply device for accommodating and fixing a pallet of a workpiece may be disposed adjacent to the machine tool. According to the production plan, the objects to be processed of various sizes are fixed to the tray stored in the tray supply device. Therefore, in order to safely and efficiently process various sizes of workpieces fixed to the pallet, when the pallet is transferred between the workpiece setting station and the processing chamber and the pallet supply device, it is necessary to pay attention to that the workpieces on the adjacent pallet do not interfere with each other, that is, it is necessary to monitor and confirm. However, for example, in a machine tool system including an imaging device for imaging a workpiece fixed to a pallet in a direction parallel to a rotation axis of a rotary table as disclosed in patent document 1, the positional relationship between one pallet and the workpiece fixed to the pallet and a spindle tool is only checked, and therefore, interference between workpieces fixed to adjacent pallets cannot be checked. Prior art literature Patent literature Patent document 1 Japanese patent application No. 6563037 Disclosure of Invention Problems to be solved by the invention In view of the above, an object of the present invention is to provide a production facility capable of preventing or suppressing an operation stagnation of the production facility due to interference of work objects in a pallet supply device capable of accommodating different work objects having different maximum sizes. Means for solving the problems According to one aspect of the present invention, there is provided a production facility including a machine tool capable of machining an object having a size equal to or smaller than a first object size limit, a pallet supply device that accommodates a plurality of pallets on which the objects are placed and carries the pallets on which the objects are placed into or out of the machine tool, a storage device that presets at least one second object size limit equal to or smaller than the first object size limit and stores, for each of the plurality of pallets, whether or not the object size on which the pallets are placed exceeds the second object size limit, and a control device that controls the pallet supply device based on information on the size exceeding the second object size limit stored in the storage device so as to avoid mutual interference of objects placed on adjacent pallets. ADVANTAGEOUS EFFECTS OF INVENTION According to one aspect of the present invention, a production facility includes a pallet supply device that accommodates a plurality of pallets on which a workpiece having a size not larger than a limit of a first workpiece that can be machined by a machine tool is placed, and that carries the pallet on which the workpiece is placed into or out of the machine tool. The production facility further includes a storage device that presets at least one second workpiece size limit that is less than or equal to the first workpiece size limit, and stores, for each of the plurality of trays, whether or not the size of the workpiece placed on the tray exceeds the second workpiece size limit. The control device can control the tray supply device based on the information stored in the storage device about the size exceeding the size limit of the second processed object so as to avoid the processed objects placed on the adjacent trays from interfering with each other. Thus, the stagnation of the operation of the production facility due to the interference of the workpiece can be prevented or suppressed. Drawings Fig. 1 shows a top view of a production facility according to an embodiment. Fig. 2 is a plan view showing a production facility for increasing the number of trays stored in the tray supply device by decreasing the size restriction of the second work object. Fig. 3 shows a top view of a production apparatus in which workpieces of different size restrictions of the second workpiece are mixed in the pallet supply device. Fig. 4 is a plan view of the production apparatus in the case where the workpiece exceeding the second workpiece size limit is placed on the tray. Fig. 5 shows a side view of an imaging device that images a workpiece on a tray. Fig. 6 shows a display example of an image captured by the capturing device and displayed on the operation screen. Fig. 7 shows a flowchart of a control method of the tray supply apparatus. Fig. 8 shows a top view of a production facility according to a first variant with a workpiece loading station. Fig. 9 is a plan view of a production facility according to a second modification in which